Report updated May 4, 2026
HeartCalc
For athletes and fitness enthusiasts seeking data-driven heart rate zone calculations for performance training.
Overview · Full Intel report in progress
HeartCalc is an established health & fitness app that is a paid app. With a 5.0/5 rating from 1 reviews, it shows polarized user reception.
What is HeartCalc?
Current Momentum
v1.1
Liquid Glass for iOS 26 is here!!! - Code optimizations - Bug fixes
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
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What Are The Key Features?
Provides eight distinct heart rate formulas, ranging from classic Fox & Haskell to modern research-based methods like Nes and Tanaka.
Categorizes heart rate intensity into five specific zones, including Warm-up, Fat Burn, Aerobic, Anaerobic, and VO₂ Max.
Automatically saves user age and weight data to streamline future calculations.
Features a clean, Apple-compliant design that operates without advertisements.
How much does it cost?
Who Built It?
Florian Schimanke
Providing utility-focused mobile tools for productivity, media management, and daily organization. Simplifying complex tasks through streamlined, offline-first iOS applications.
Portfolio
13
Apps
What other apps does Florian Schimanke make?
Explore the full Florian Schimanke report
Portfolio breakdown, audience, momentum, and every app published by Florian Schimanke.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for HeartCalc?
How's The Health & Fitness Market?
How does it evolve in the Health & Fitness market?
Rank progression
3 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for HeartCalc
Key Takeaways
HeartCalc is a specialized, ad-free tool that provides users with multiple scientific methodologies to calculate and track heart rate training zones.
Where Is It Heading?
Trend analysis
Available very soon